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Oxides of Group 16

Sugar on trea...

Question

Sugar on treating with conc. $H_{2} {S O}_{4}$ produces a black mass. In this $H_{2} {S O}_{4}$ acts as a __________.

decarboxylating agent

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dehydrogenating agent

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dehydrating agent

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All the above

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Solution

The correct option is B dehydrating agent
The sulfuric acid is a dehydrating agent in the reaction that removes water from the sugar in a highly exothermic reaction, releasing heat, steam, and sulfur oxide fumes.

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